题目内容
11.A1l flights _________ because of the heavy storm,so we decided to take the train.( )A. | have canceled | B. | have been canceled | ||
C. | had canceled | D. | had been canceled |
分析 因为风暴所有的航班都被取消,因此我决定乘火车.
解答 答案是D.本题考查过去完成时;过去完成时强调"过去的过去",题干中"航班被取消"是我"决定乘火车"之前,是过去的过去,故用过去完成时的被动语态,答案选D.
点评 对时态的选择,要在把握时态的基本用法的基础上,根据具体语境和题干中的时间推断时态,同时关注特殊的结构.

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